Nokia 4A0-108 Exam Questions Instant Access

Question 1

Which of the following are characteristics of the one to many model of multicast data delivery? (Choose two)

AReceivers are generally unknown by the source

BReceivers are generally known by each other

CWell suited for applications in which the receivers provide feedback to each other and the source

DThere is a single data flow for each group on the source segment

EAll devices are potentially capable of generating multicast data

FWell suited for applications such as video on demand where each source sends a separate data stream to each of the many different receivers

Answer : A, D

Question 2

Refer to the following exhibit.

Assuming all links have an equal metric in the IGP, where will the Shared Path Tree be built when Receiver 3 joins the multicast group?

ARouter G-E-C

BRouter G-E-C-A

CRouter G-E-D-B-A

DThere is insufficient information to answer

Answer : A

Question 3

Which of the following regarding the IPv4 multicast address format is TRUE?

AThe first 3 bits of the address are set to '110'.

BA multicast address has a value between 223.0.0.0 and 239.255.255.255.

CA multicast address includes a subnet mask to indicate the network and host portion of the address.

DThe first 4 bits of the address are set to '1110'.

Answer : D

Question 4

The first actions of a router after enabling PIM on the interfaces will be:

ABSR elections followed by DR elections

BDR elections followed by PIM Hello messages

CDR elections followed by BSR elections

DBSR elections followed by PIM Hello messages

EPIM Hello messages followed by BSR elections

FPIM Hello messages followed by DR elections

Answer : F

Question 5

How does IGMP snooping eliminate multicast flooding on the LAN?

AThe switch populates multicast source addresses into the forwarding table

BThe switch acts as an IGMP proxy for the receiver

CThe switch inspects IGMP messages between receivers and routers and populates the forwarding table with active multicast group addresses

DThe switch inspects all multicast traffic between receivers and routers and populates the forwarding table with active multicast group addresses

Answer : C

Question 6

Which of the following is the BGP NLRI used for BGP Auto-Discovery in a MVPN?

AMP_REACH_NLRI

BMP_UNREACH_NLRI

CMCAST-VPN NLRI

DPMSINLRI

Answer : C

Question 7

Which of the following is a name for PIM Sparse Mode operation that utilizes an RP?

ARP Multicast

BAny Source Multicast

CSource Based Multicast

DSource Specific Multicast

EAll Sender Multicast

Answer : B

Nokia Multicast Protocols 4A0-108 Exam Questions